Resource exhaustion in Symfony Ux

CVE-2026-49209

Symfony UX is a JavaScript ecosystem for Symfony. From 2.5.0 until 2.36.0 and 3.1.0, Symfony\UX\LiveComponent\Controller\BatchActionController::__invoke() iterates over the client-supplied actions array and issues a full HttpKernel sub-req…

Affected products

  • Symfony Ux — versions >= 3.0.0, < 3.1.0, >= 2.5.0, < 2.36.0

Weakness classification (CWE)

References